Health and Harmony KitsPerfect for theClassroom!Watch the video!

Anemometer (was $14.95)

Anemometer (was $14.95)

WAS $14.95 now reduced to $9.95 while supplies last!

This colorful working model is sensitive to breezes as slight as 2 mph. Since it rotates at speeds 1/6 that of the wind velocity, wind speeds can be determined quantitatively by counting the rotations.